Ella and the Panther's Quest

Ella Peterson went to the library to escape in a book. Instead she is whisked through an enchanted mirror by a footstool. On the other side, she finds a panther who has been trapped in a cage, is waiting for a hero to free him and help him reach the cursed castle he can see through the prison window. Unable to ignore his sad eyes, Ella needs to find a way to free him and help him on his quest.